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//------------------------------------------------------------------------------
// <copyright file="PeerNameRecord.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Net.PeerToPeer
{
using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.Serialization;
using System.Security.Permissions;
using System.Net;
[Serializable]
public class PeerNameRecord : ISerializable
{
private const int MAX_COMMENT_SIZE = 39;
private const int MAX_DATA_SIZE = 4096;
private PeerName m_PeerName;
private IPEndPointCollection m_EndPointCollection = new IPEndPointCollection();
private string m_Comment;
private byte[] m_Data;
/// <summary>
/// Constructor to enable serialization
/// </summary>
/// <param name="serializationInfo"></param>
/// <param name="streamingContext"></param>
[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.SerializationFormatter)]
protected PeerNameRecord(SerializationInfo info, StreamingContext context)
{
m_Comment = info.GetString("_Comment");
m_Data = info.GetValue("_Data", typeof(byte[])) as byte[];
m_EndPointCollection = info.GetValue("_EndpointList", typeof(IPEndPointCollection)) as IPEndPointCollection;
m_PeerName = info.GetValue("_PeerName", typeof(PeerName)) as PeerName;
}
// <SecurityKernel Critical="True" Ring="0">
// <SatisfiesLinkDemand Name="GetObjectData(SerializationInfo, StreamingContext):Void" />
// </SecurityKernel>
[SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase", Justification = "System.Net.dll is still using pre-v4 security model and needs this demand")]
[System.Security.SecurityCritical]
[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.SerializationFormatter, SerializationFormatter = true)]
void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
{
GetObjectData(info, context);
}
/// <summary>
/// This is made virtual so that derived types can be implemented correctly
/// </summary>
/// <param name="serializationInfo"></param>
/// <param name="streamingContext"></param>
[SecurityPermission(SecurityAction.LinkDemand, SerializationFormatter = true)]
protected virtual void GetObjectData(SerializationInfo info, StreamingContext context)
{
info.AddValue("_PeerName", m_PeerName);
info.AddValue("_EndpointList", m_EndPointCollection);
info.AddValue("_Comment", m_Comment);
info.AddValue("_Data", m_Data);
}
public PeerNameRecord()
{
}
/*
public PeerNameRecord(PeerName peerName)
{
m_PeerName = peerName;
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "PeerNameRecord created with PeerName {0}", m_PeerName);
}
public PeerNameRecord(PeerName peerName, int Port)
{
m_PeerName = peerName;
m_Port = Port;
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "PeerNameRecord created with PeerName {0} Port {1}", m_PeerName, m_Port);
}
public PeerNameRecord(PeerName peerName, IPEndPoint[] endPointList, Cloud cloud, string comment, byte[] data)
{
m_PeerName = peerName;
m_Port = Port;
m_EndPointList = endPointList;
m_Cloud = cloud;
m_Comment = comment;
m_Data = data;
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "PeerNameRecord created");
TracePeerNameRecord();
}
*/
public PeerName PeerName
{
get
{
return m_PeerName;
}
set
{
m_PeerName = value;
}
}
public IPEndPointCollection EndPointCollection
{
get
{
return m_EndPointCollection;
}
}
public string Comment
{
get
{
return m_Comment;
}
set
{
//--------------------------------------------------------------------
//We don't allow null or empty comments since they are not very useful
//--------------------------------------------------------------------
if (value == null)
throw new ArgumentNullException("Comment", SR.GetString(SR.Pnrp_CommentCantBeNull));
if(value.Length <= 0)
throw new ArgumentException(SR.GetString(SR.Pnrp_CommentCantBeNull), "Comment");
if (value.Length > MAX_COMMENT_SIZE)
throw new ArgumentException(SR.GetString(SR.Pnrp_CommentMaxLengthExceeded, MAX_COMMENT_SIZE));
m_Comment = value;
}
}
public byte[] Data
{
get
{
return m_Data;
}
set
{
if (value == null)
throw new ArgumentNullException("Data", SR.GetString(SR.Pnrp_DataCantBeNull));
if (value.Length <= 0)
throw new ArgumentException(SR.GetString(SR.Pnrp_DataCantBeNull), "Data");
if(value.Length > MAX_DATA_SIZE)
throw new ArgumentException(SR.GetString(SR.Pnrp_DataLengthExceeded, MAX_DATA_SIZE));
m_Data = value;
}
}
internal void TracePeerNameRecord()
{
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "Contents of the PeerNameRecord");
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "\tPeerName: {0}", PeerName);
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "\tComment: {0}", Comment);
if (EndPointCollection != null && EndPointCollection.Count != 0)
{
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "\tThe EndPointList is ");
foreach(IPEndPoint ipe in EndPointCollection)
{
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "\t\tIPEndPoint is {0}", ipe);
}
}
else
{
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "\tThe EndPointList is empty or null");
}
if (Data != null)
{
if (Logging.P2PTraceSource.Switch.ShouldTrace(TraceEventType.Verbose))
{
Logging.DumpData(Logging.P2PTraceSource, TraceEventType.Verbose, Logging.P2PTraceSource.MaxDataSize, Data, 0, Data.Length);
}
else
{
Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "\tCustom data length {0}", Data.Length);
}
}
}
}
}
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